Target has Holmes Personal Rechargeable Fan for $4.99 with free shipping on orders over $35.
Holmes Four-Inch Personal Rechargeable Fan can either run from a rechargeable battery or via a USB connection. Rechargeable battery allows you to take the product with you where ever you go and can hold a charge for up to three hours on high. Compact design is ideal for personal space cooling at home, in the office or at school.